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Aromatic building blocks

Cremeomycin

Also known as antibiotic U 23643, 6-carboxy-2-diazonio-3-methoxyphenolate, 5-diazo-4-methoxy-6-oxo-1,3-cyclohexadiene-1-carboxylic acid

CAS 11050-22-9Formula C8H6N2O4Molar mass 194.15 g/mol
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Cremeomycin chemical structure, C8H6N2O4, CAS 11050-22-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
11050-22-9
Formula
C8H6N2O4
Molar mass
194.15 g/mol
HS code
292700
Category
Aromatic building blocks

What is Cremeomycin?

Plain description, key identifiers and synonyms

Cremeomycin is a diazo compound that is cyclohexa-1,3-diene substituted by carboxy, methoxy, diazo and oxo groups at positions 1, 4, 5, and 6, respectively. It is an natural product isolated from Streptomyces cremeus. It has a role as an antibacterial agent, an antineoplastic agent and a bacterial metabolite. It is a monocarboxylic acid, an ether, a cyclohexadiene and a diazo compound. It is a conjugate acid of a cremeomycin(1-).

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
6-carboxy-2-diazonio-3-methoxyphenolate
CAS number
11050-22-9
Molecular formula
C8H6N2O4
InChIKey
IGWQRYHQYGPQLO-UHFFFAOYSA-N
InChI
InChI=1S/C8H6N2O4/c1-14-5-3-2-4(8(12)13)7(11)6(5)10-9/h2-3H,1H3,(H-,11,12,13)
SMILES (canonical and isomeric)
COC1=C(C(=C(C=C1)C(=O)O)[O-])[N+]#N

Synonyms

  • antibiotic U 23643
  • 6-carboxy-2-diazonio-3-methoxyphenolate
  • 5-diazo-4-methoxy-6-oxo-1,3-cyclohexadiene-1-carboxylic acid
  • 5-diazo-4-methoxy-6-oxocyclohexa-1,3-diene-1-carboxylic acid

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
194.15 g/molcalc.
Exact mass
194.0328 Dacalc.
LogP (octanol/water)
0.95calc.
Topological polar surface area
97.74 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
2calc.
Heavy atoms
14calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.13calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Cremeomycin suppliers

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Cremeomycin price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Roles

  • antibacterial agent
  • antimicrobial agent
  • antineoplastic agent
  • bacterial metabolite
  • metabolite
  • pharmaceutical
  • prokaryotic metabolite

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Cremeomycin is traded under.

HS 2927.00Indicative HS code

Diazo-, azo- or azoxy compounds

World exports in 2024
$571M
+6.1% vs 2023, imports $525M
2019 to 2024
Top exporters
  1. China47.0%
  2. Indonesia13.1%
  3. Japan9.3%
Top importers
  1. United States10.2%
  2. India * partner reported9.1%
  3. South Korea9.1%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Cremeomycin is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Cremeomycin, based on the data on this page

What is Cremeomycin?

Cremeomycin is a diazo compound that is cyclohexa-1,3-diene substituted by carboxy, methoxy, diazo and oxo groups at positions 1, 4, 5, and 6, respectively. It is an natural product isolated from Streptomyces cremeus. It has a role as an antibacterial agent, an antineoplastic agent and a bacterial metabolite.

What is the CAS number of Cremeomycin?

The CAS registry number of Cremeomycin is 11050-22-9.

What is the molecular formula and weight of Cremeomycin?

The molecular formula of Cremeomycin is C8H6N2O4 and its molar mass is 194.15 g/mol.

What is Cremeomycin used for?

Known uses and roles of Cremeomycin include building blocks in research and laboratory, screening compounds in research and laboratory, antibacterial agent, antimicrobial agent, antineoplastic agent and 4 more.

Is Cremeomycin hazardous?

No GHS hazard classification for Cremeomycin is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Cremeomycin?

Cremeomycin is usually classified under HS code 292700 (Diazo-, azo- or azoxy-compounds). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Cremeomycin?

Post a free request on CompoundList and suppliers of Cremeomycin will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Cremeomycin?

Suppliers quote Cremeomycin on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Cremeomycin

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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